---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-080837"
form_type: "8-K"
ticker: "ELAN"
cik: "0001739104"
company_name: "Elanco Animal Health Inc"
filed_at: "2023-07-13T23:59:59+00:00"
generated_at: "2026-06-13T08:47:59.119975+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# EPA completes Seresto review, confirms registration; Elanco implements stewardship program

## Summary
- EPA completed multi-year review of Seresto collar, confirms continued registration; safety profile affirmed.
- Elanco will implement stewardship program including enhanced AE reporting, separate dog/cat registrations, package insert updates.
- Company expects no commercial disruption or material financial impact from stewardship program.
- More than 41 million Seresto collars sold in U.S. since 2013; 2022 AE rate 0.116%.

## SEC filing metadata
- accession: 0001104659-23-080837
- form_type: 8-K
- ticker: ELAN
- cik: 0001739104
- company_name: Elanco Animal Health Inc
- filed_at: 2023-07-13T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1739104/000110465923080837/0001104659-23-080837-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1739104/000110465923080837/tm2321199d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-080837
- JSON: https://secwatch.observer/filing/0001104659-23-080837.json
- Plain text: https://secwatch.observer/filing/0001104659-23-080837.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.